Display apparatus

Abstract

A display apparatus including: a substrate; a plurality of data transfer lines in a peripheral area and adjacent to a second edge of the substrate and extending in a first direction; and first power connection lines in the peripheral area and adjacent to the second edge in a space between the first edge and the plurality of data transfer lines and extending in the first direction. A 1-1 th power connection line that is nearest to the plurality of data transfer lines from among the first power connection lines includes a first conductive layer on a first insulating layer, and a 1-2 th power connection line that is farthest away from the plurality of data transfer lines from among the first power connection lines includes a first conductive layer on the first insulating layer and a second conductive layer on a second insulating layer.

What is claimed is: 
     
         1 . A display apparatus comprising:
 a substrate having a display area, a peripheral area outside the display area, a first edge extending in a first direction, and a second edge extending in a second direction crossing the first direction;   a plurality of data transfer lines in the peripheral area, adjacent to the second edge, and extending in the first direction; and   first power connection lines in the peripheral area, adjacent to the second edge in a space between the first edge and the plurality of data transfer lines, and extending in the first direction,   wherein a 1-1 th  power connection line that is nearest to the plurality of data transfer lines from among the first power connection lines comprises a first conductive layer on a first insulating layer, and   wherein a 1-2 th  power connection line that is farthest away from the plurality of data transfer lines from among the first power connection lines comprises a first conductive layer on the first insulating layer and a second conductive layer on a second insulating layer.   
     
     
         2 . The display apparatus of  claim 1 , wherein the second insulating layer is under the first insulating layer. 
     
     
         3 . The display apparatus of  claim 2 , wherein the first insulating layer covers the second conductive layer in the 1-2 th  power connection line. 
     
     
         4 . The display apparatus of  claim 1 , wherein the first conductive layer and the second conductive layer in the 1-2 th  power connection line overlap each other when viewed in a direction perpendicular to the substrate. 
     
     
         5 . The display apparatus of  claim 1 , wherein a length of the second conductive layer in the 1-2 th  power connection line in the first direction is greater than a length of the first conductive layer in the 1-2 th  power connection line in the first direction. 
     
     
         6 . The display apparatus of  claim 1 , further comprising a first power input line on end portions of the first power connection lines in a direction away from the display area, electrically connected to the first conductive layer in the 1-1 th  power connection line, and electrically connected to each of the first conductive layer and the second conductive layer in the 1-2 th  power connection line. 
     
     
         7 . The display apparatus of  claim 6 , further comprising a first power transfer line on end portions of the first power connection lines in a direction toward the display area, electrically connected to the first conductive layer in the 1-1 th  power connection line, and electrically connected to each of the first conductive layer and the second conductive layer in the 1-2 th  power connection line. 
     
     
         8 . The display apparatus of  claim 7 , further comprising a plurality of driving power lines extending in the first direction and extending into the display area,
 wherein the first power transfer line extends along the second edge and is electrically connected to the plurality of driving power lines.   
     
     
         9 . The display apparatus of  claim 1 , wherein the 1-2 th  power connection line further comprises a third conductive layer on a third insulating layer. 
     
     
         10 . The display apparatus of  claim 9 , wherein the second insulating layer is under the first insulating layer, and the third insulating layer is under the second insulating layer. 
     
     
         11 . The display apparatus of  claim 10 , wherein the second insulating layer covers the third conductive layer in the 1-2 th  power connection line, and the first insulating layer covers the second conductive layer in the 1-2 th  power connection line. 
     
     
         12 . The display apparatus of  claim 9 , wherein the first conductive layer, the second conductive layer, and the third conductive layer in the 1-2 th  power connection line overlap one another when viewed in a direction perpendicular to the substrate. 
     
     
         13 . The display apparatus of  claim 9 , wherein a length of the second conductive layer in the 1-2 th  power connection line in the first direction is greater than a length of the first conductive layer in the 1-2 th  power connection line in the first direction, and
 wherein a length of the third conductive layer in the 1-2 th  power connection line in the first direction is greater than a length of the second conductive layer in the 1-2 th  power connection line in the first direction.   
     
     
         14 . The display apparatus of  claim 9 , further comprising a first power input line on end portions of the first power connection lines in a direction away from the display area, electrically connected to the first conductive layer in the 1-1 th  power connection line, and electrically connected to each of the first conductive layer, the second conductive layer, and the third conductive layer in the 1-2 th  power connection line. 
     
     
         15 . The display apparatus of  claim 14 , further comprising a first power transfer line on end portions of the first power connection lines in a direction toward the display area, electrically connected to the first conductive layer in the 1-1 th  power connection line, and electrically connected to each of the first conductive layer, the second conductive layer, and the third conductive layer in the 1-2 th  power connection line. 
     
     
         16 . The display apparatus of  claim 15 , further comprising a plurality of driving power lines extending in the first direction and extending into the display area,
 wherein the first power transfer line extends along the second edge and is electrically connected to the plurality of driving power lines.   
     
     
         17 . The display apparatus of  claim 1 , further comprising second power connection lines in the peripheral area, adjacent to the second edge in a space between the first edge and the first power connection lines, and extending in the first direction,
 wherein each of the second power connection lines comprises a first conductive layer on the first insulating layer and a second conductive layer on the second insulating layer.   
     
     
         18 . The display apparatus of  claim 17 , wherein the second insulating layer is under the first insulating layer. 
     
     
         19 . The display apparatus of  claim 18 , wherein the first insulating layer covers the second conductive layer in the 1-2 th  power connection line and the second conductive layer in each of the second power connection lines. 
     
     
         20 . The display apparatus of  claim 17 , wherein the first conductive layer and the second conductive layer in the 1-2 th  power connection line overlap each other when viewed in a direction perpendicular to the substrate, and
 wherein the first conductive layer and the second conductive layer in each of the second power connection lines overlap each other when viewed in the direction perpendicular to the substrate.   
     
     
         21 . The display apparatus of  claim 17 , wherein a length of the second conductive layer included in the 1-2 th  power connection line in the first direction is greater than a length of the first conductive layer included in the 1-2 th  power connection line in the first direction, and
 wherein a length of the second conductive layer included in each of the second power connection lines in the first direction is greater than a length of the first conductive layer included in each of the second power connection lines in the first direction.   
     
     
         22 . The display apparatus of  claim 20 , further comprising a second power input line on end portions of the second power connection lines in a direction away from the display area, and electrically connected to each of the first conductive layer and the second conductive layer in each of the second power connection lines. 
     
     
         23 . The display apparatus of  claim 22 , further comprising a second power transfer line on end portions of the second power connection lines in a direction toward the display area, and electrically connected to each of the first conductive layer and the second conductive layer in each of the second power connection lines. 
     
     
         24 . The display apparatus of  claim 23 , wherein the second power transfer line extends along the first edge and is electrically connected to a common electrode of pixels arranged in the display area. 
     
     
         25 . The display apparatus of  claim 17 , wherein each of the second power connection lines further comprises a third conductive layer on a third insulating layer. 
     
     
         26 . The display apparatus of  claim 25 , wherein the second insulating layer is under the first insulating layer, and the third insulating layer is under the second insulating layer. 
     
     
         27 . The display apparatus of  claim 26 , wherein the second insulating layer covers the third conductive layer in each of the second power connection lines, and
 wherein the first insulating layer covers the second conductive layer in the 1-2 th  power connection line and the second conductive layer in each of the second power connection lines.   
     
     
         28 . The display apparatus of  claim 25 , wherein the first conductive layer, the second conductive layer, and the third conductive layer in the second power connection line overlap one another when viewed in a direction perpendicular to the substrate. 
     
     
         29 . The display apparatus of  claim 25 , wherein a length of the second conductive layer included in the second power connection line in the first direction is greater than a length of the first conductive layer included in the second power connection line in the first direction, and
 wherein a length of the third conductive layer in the second power connection line in the first direction is greater than a length of the second conductive layer included in the second power connection line in the first direction.   
     
     
         30 . The display apparatus of  claim 25 , further comprising a second power input line on end portions of the second power connection lines in a direction away from the display area, and electrically connected to each of the first conductive layer, the second conductive layer, and the third conducive layer in each of the second power connection lines. 
     
     
         31 . The display apparatus of  claim 30 , further comprising a second power transfer line on end portions of the second power connection lines in a direction toward the display area, and electrically connected to each of the first conductive layer, the second conductive layer, and the third conductive layer in each of the second power connection lines. 
     
     
         32 . The display apparatus of  claim 31 , wherein the second power transfer line extends along the first edge and is electrically connected to a common electrode of pixels arranged in the display area. 
     
     
         33 . The display apparatus of  claim 1 , further comprising:
 a display element in the display area; and   an encapsulation layer covering the display element and comprising an inorganic encapsulation layer and an organic encapsulation layer on the inorganic encapsulation layer,   wherein the inorganic encapsulation layer is in direct contact with the first power connection line or is in direct contact with an inorganic insulating layer covering the first power connection line.